并行端口监视与inout DL帮助VB程序启用…

一个基于RTC的即时通信软件的例子,出自ＭＩＣＲＯＳＯＦＴ-an RTC-based instant messaging software examples from Microsoft

usb硬件设备的检测 usb硬件设备的检测-usb hardware devices detected usb hardware detection

STM32F4 485通信实验.rar STM32F4 485通信实验.rar

cp2101 －232 与usb 转换芯片的详细资料，需要的马上下载吧-cp2101 with usb-232 chip for the conversion of detailed information needed to download it immediately

The program constructs girth-twelve column-weight QC-LPDC codes. The rate can be changed by changing k(row-weight), size is changed by varying m(sub-matrix size).

这是我收集的几个通信基础理论的Matlab仿真实现，包括bpsk、qpsk、ofdm以及信号衰减和延迟的仿真。尽管不是我本人原创，但比较都经典。文件为*.m格式-This is my collection of several communications infrastructure theory Matlab Simulation, including BPSK, QPSK, and the OFDM signal attenuation and delay in the simulation. Although it was not my original, but more are classics. M*. document format

通过仿真,分析了多径效应和多普勒效应的原理.并给出了移动信道的建模方案和程序.每个结论都给出了仿真程序可直接运行.-through simulation, Analysis of the multi-path effects and the principle of Doppler effect. and gives the mobile channel modeling programs and procedures. Conclusion gave each a simulation program can run.

光纤光缆技术发展以及在FTTH中的应用 综述了近期光纤光缆制造、施工及维护技术上的发展特点，分析了其发展趋势，并就我国光纤光缆技术与产业的发展提出了一些值得思考的问题。FTTH正在走入人们实用化的视野，国内外很多光缆生产厂商或研究所都提出了自己的构想，本文着重介绍了FTTH应用中的一些典型的光纤及光缆技术，对FTTH在我国的发展前景做了分析，并提出了自己在FTTH发展中的一些观点。-Technological development of optical fiber and cable as well as in FTTH Applications in the near future of optical fiber and cable manufacturing, construction and maintenance of the characteristics of technological development, analyzes its development trends, and technology with China s optical fiber and cable industry raised some food for thought. FTTH is the people into a practical perspective, many domestic and international fiber optic cable manufacturers or research institutes have put forward their own ideas, this article highlights the FTTH application of some typical fiber-optic and fiber optic technology, the development of FTTH in China prospects analysis and put forward its own FTTH development in some of the points.

本讲义详细介绍了ＳＮＭＰ协议的内容，给出了一些报文的具体格式，是不错的学习资料-the overhead of SNMP detail the contents of the agreement, gives some of the specific message format, was a good learning materials

标准xcp协议，其中包括xcp的协议层，传输层的定义，完整的协议文档。-Standard xcp agreements, including xcp protocol layer, transport layer definition, a complete protocol document.